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Erschienen in:
2017 | OriginalPaper | Buchkapitel
A Quantitative Analysis of the Memory Architecture of FPGA-SoCs
verfasst von : Matthias Göbel, Ahmed Elhossini, Chi Ching Chi, Mauricio Alvarez-Mesa, Ben Juurlink
Erschienen in: Applied Reconfigurable Computing
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Abstract
In recent years, so called FPGA-SoCs have been introduced by Intel (formerly Altera) and Xilinx. These devices combine multi-core processors with programmable logic. This paper analyzes the various memory and communication interconnects found in actual devices, particularly the Zynq-7020 and Zynq-7045 from Xilinx and the Cyclone V SE SoC from Intel. Issues such as different access patterns, cache coherence and full-duplex communication are analyzed, for both generic accesses as well as for a real workload from the field of video coding. Furthermore, the paper shows that by carefully choosing the memory interconnect networks as well as the software interface, high-speed memory access can be achieved for various scenarios.